1. General Medicine Service, VA Puget Sound Health Care System, Seattle, Washington.
2. Health Services Research and Development Center for Innovation, VA Puget Sound Health Care System, Seattle, Washington.
3. Division of General Internal Medicine, University of Washington, Seattle, Washington.
4. Pulmonary and Critical Care Section, Hospital and Specialty Medicine, VA Puget Sound Health Care System, Seattle, Washington.
5. Nephrology Section, Hospital and Specialty Medicine, VA Puget Sound Health Care System, Seattle, Washington.
6. Division of Nephrology and Kidney Research Institute, University of Washington, Seattle, Washington.
7. Division of Pulmonary and Critical Care, University of Washington, Seattle, Washington.
8. Office of Specialty Care Services, Patient Care Services, Department of Veterans Health Administration, Washington, District of Columbia.
9. Louis Stokes Cleveland VA Medical Center, Cleveland, Ohio.
10. Case Western Reserve University School of Medicine, Cleveland, Ohio.
11. Gastroenterology and Hepatology Service, VA Portland Health Care System, Portland, Oregon.
12. Gastroenterology and Hepatology Division, Oregon Health & Sciences University, Portland, Oregon.